- are mentioned in one paragraph on p. 251 of Stieg Larsson's The Girl Who Played With Fire (London, 2010).

But another reference harks back to the late nineteenth/early twentieth centuries and also forges a link with Poul Anderson. A detective examining a crime scene expects to find a second computer somewhere in the apartment but fails to do so. His way of expressing the significance of this is:The strange thing about the dog is that it did not bark, my dear Watson. (ibid.)